From: Roy Marples <roy@marples.name>
Date: Sat, 9 May 2015 06:02:49 +0000 (+0000)
Subject: Check if we have an IPv6 context before expiring RA's.
X-Git-Tag: v6.9.0~43
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa9fc372f199558e7985413cd6047120f91a6044;p=thirdparty%2Fdhcpcd.git

Check if we have an IPv6 context before expiring RA's.
---

diff --git a/ipv6nd.c b/ipv6nd.c
index 89f6782f..9c3ee10a 100644
--- a/ipv6nd.c
+++ b/ipv6nd.c
@@ -322,6 +322,9 @@ ipv6nd_expire(struct interface *ifp, uint32_t seconds)
 	struct ra *rap;
 	struct timespec now;
 
+	if (ifp->ctx->ipv6 == NULL)
+		return;
+
 	get_monotonic(&now);
 
 	TAILQ_FOREACH(rap, ifp->ctx->ipv6->ra_routers, next) {